Fairfield is a city in Butler and Hamilton counties in the U.S. state of Ohio, near Cincinnati. Fairfield was incorporated in 1955. The population was 42,510 at the 2010 census. It includes the former hamlet of Symmes Corner, named after Celadon Symmes.[7] The city school district is one of the largest in Ohio, with Fairfield High School graduating 842 students in June 2009.

1877 — The Groh family settles in what would become the city of Fairfield. Patriarch Fred Groh purchased 50 acres (200,000 m2) in Fairfield Twp.

1953 — On August 6, 1953, the Hamilton Journal and Daily News reported a master plan to annex half of Fairfield Twp., taking half the schools and the township's major industries.

1954 — In April, voters said 'no' to incorporating the entire township 1,219 to 831. On July 10, township residents said 'yes' to incorporating 738 for to 216 against.

1955 — Attempts to detach the village and annex into Hamilton continued. The council pursued to annex a 10-square-mile (26 km2) area known as Stockton. Results of a special census were announced on September 20 there were 6,202 residents.

1965 — The third, and current, Fairfield Municipal Building was dedicated.

1972 — The 11th annual Homearama is held in Fairfield, the first one outside Hamilton County. Homearama's annual showcase returned two more times in Fairfield.

1974 — Jim Boniminio purchases land at 5440 Dixie Highway and after a reluctant planning commission approves his request to open a permanent fruit and vegetable market on the industrial zoned land. Today Jungle Jim's International Market has 50,000 weekly shoppers and annual sales of nearly $100 million.

1979 — The Fairfield Golf team wins a state championship, the first team or individual state title for the school.

There were 17,415 households of which 32.1% had children under the age of 18 living with them, 47.2% were married couples living together, 13.1% had a female householder with no husband present, 4.9% had a male householder with no wife present, and 34.7% were non-families. 28.7% of all households were made up of individuals and 9.3% had someone living alone who was 65 years of age or older. The average household size was 2.41 and the average family size was 2.97.

The median age in the city was 38.3 years. 23.2% of residents were under the age of 18; 8.6% were between the ages of 18 and 24; 27.4% were from 25 to 44; 28% were from 45 to 64; and 13% were 65 years of age or older. The gender makeup of the city was 48.2% male and 51.8% female.